goatfucker vs towelhead

goatfucker

noun
  • Term of abuse, especially for a Middle Eastern or North African person. 

towelhead

noun
  • A member of the Muslims, Arabs, Sikhs, and other groups that traditionally wear headdress such as a turban and keffiyeh or headscarf. 

How often have the words goatfucker and towelhead occurred in a corpus of books? (source: Google Ngram Viewer )